Tungaloy DCGT11T301N-JS AH725 Turning Insert
Universal Finishing Specialist | Ultra-Tough AH725 PVD | Made in Japan
What is the best carbide insert for finishing stainless steel and sticky alloys?
The Tungaloy DCGT11T301N-JS AH725 is a high-performance precision machining solution tailored for finishing operations where chip control is a priority. Featuring the highly versatile AH725 PVD grade, this insert provides a unique combination of a wear-resistant coating and a high-toughness substrate, making it ideal for CNC machining of steel, stainless steel, and heat-resistant superalloys. The -JS chipbreaker is designed with a neutral (N) orientation to provide smooth chip flow and reduced cutting forces during light-duty passes. This Japan-made indexable turning tool ensures exceptional tool life and dimensional accuracy even in unstable cutting environments. By utilizing this long-tail keywords optimized insert, your workshop can achieve high-quality surface finishes consistently across multiple material types.
Decoding the DCGT11T301N-JS Technical Nomenclature
D
55° Rhombic
C
7° Clearance
G
G Tolerance
T
Hole & Screw
11
11.6mm Edge
T3
3.97mm Thick
01
0.1mm Radius
-JS
Finishing
Technical Specs: Metric vs. Imperial Comparison
| Feature Detail |
Metric Designation |
Imperial Equiv. |
| ISO / ANSI Model |
DCGT11T301N-JS |
DCGT32.50.1-JS |
| Inscribed Circle (IC) |
9.525 mm |
3/8 inch |
| Corner Radius (RE) |
0.1 mm |
0.004 inch |
Why is the AH725 grade and JS chipbreaker a versatile combination?
The AH725 Grade is a specialized PVD grade that excels in diverse cutting conditions, providing high adhesion resistance which is crucial when working with stainless steel. The -JS chipbreaker is specifically designed for precision finishing tasks. Its sharp cutting edge combined with a large rake angle ensures low cutting forces, which prevents the deflection of the workpiece and reduces heat generation. In CNC machining, this indexable turning tool is highly valued for its ability to produce clean surface finishes on small, complex parts. Choosing the 0.1mm radius allows for extremely sharp internal corners and fine detailing without compromising the edge integrity of the turning insert.
Recommended Cutting Parameters for AH725
-
Cutting Speed (Vc): 50 - 180 m/min
-
Feed Rate (f): 0.02 - 0.10 mm/rev
-
Depth of Cut (ap): 0.05 - 1.0 mm
*Pro Tip: For the best surface finish, maintain high RPM and a low, consistent feed rate to utilize the sharp JS geometry effectively.*
Feedback from Global Precision Workshops
⭐⭐⭐⭐⭐ "Great Performance on Stainless" - Mark T., USA
"We turn a lot of 304 and 316. The AH725 holds up much better than our previous grade, and the surface finish is excellent."
⭐⭐⭐⭐⭐ "Very Sharp Edge" - Hans B., Germany
"The JS breaker is very effective for finishing. Even with the tiny 0.1mm radius, it feels very stable during the cut."
⭐⭐⭐⭐ "Consistent Tool Life" - Luca R., Italy
"Japan-made quality is clear here. We use these for finishing passes on alloy steel and the results are always the same."
⭐⭐⭐⭐⭐ "Perfect for Small Parts" - Sato K., Japan
"Excellent G-tolerance. When you need high precision, Tungaloy is the way to go. Very happy with the JS breaker."
⭐⭐⭐⭐⭐ "Quick Shipping and Original" - Aravind S., India
"Received genuine Tungaloy inserts. They perform perfectly for my precision CNC jobs. Will buy again."
Technical Tooling Q&A
Q: Can this insert be used for roughing?
A: No. The DCGT11T301 is strictly for precision finishing. The small corner radius and sharp geometry are not suited for heavy material removal.
Q: Why choose the JS chipbreaker over others?
A: The JS breaker is optimized specifically for finish turning at small depths of cut, providing better chip control and surface quality than general-purpose breakers.
Q: What is the benefit of the N (Neutral) orientation?
A: A neutral orientation allows for more flexible tool path planning and can be used in both right-hand and left-hand tool holders in some configurations.
Expert Tip: Maximizing Finish Quality
For precision machining in stainless, PVD Coated Carbide (AH725) is far superior to CVD for finishing. The thinner PVD coating keeps the JS edge micro-sharp, ensuring your tool life and part finish remain world-class shift after shift.
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